]>
Commit | Line | Data |
---|---|---|
b9337b6a | 1 | /* Tests for AIO in librt. |
6d7e8eda | 2 | Copyright (C) 1998-2023 Free Software Foundation, Inc. |
41bdb6e2 | 3 | This file is part of the GNU C Library. |
b9337b6a UD |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
b9337b6a UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
b9337b6a | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
b9337b6a UD |
18 | |
19 | #include <aio.h> | |
20 | #include <errno.h> | |
21 | #include <error.h> | |
84ad622b | 22 | #include <fcntl.h> |
b9337b6a UD |
23 | #include <stdlib.h> |
24 | #include <string.h> | |
25 | #include <unistd.h> | |
26 | #include <sys/stat.h> | |
27 | ||
28 | ||
310b3460 UD |
29 | /* Prototype for our test function. */ |
30 | extern void do_prepare (int argc, char *argv[]); | |
b9337b6a UD |
31 | extern int do_test (int argc, char *argv[]); |
32 | ||
310b3460 UD |
33 | /* We have a preparation function. */ |
34 | #define PREPARE do_prepare | |
b9337b6a | 35 | |
b9337b6a UD |
36 | /* This defines the `main' function and some more. */ |
37 | #include <test-skeleton.c> | |
38 | ||
39 | ||
310b3460 UD |
40 | /* These are for the temporary file we generate. */ |
41 | char *name; | |
42 | int fd; | |
43 | ||
44 | void | |
45 | do_prepare (int argc, char *argv[]) | |
46 | { | |
30aa5785 | 47 | size_t name_len; |
310b3460 UD |
48 | |
49 | name_len = strlen (test_dir); | |
850c6760 | 50 | name = xmalloc (name_len + sizeof ("/aioXXXXXX")); |
310b3460 UD |
51 | mempcpy (mempcpy (name, test_dir, name_len), |
52 | "/aioXXXXXX", sizeof ("/aioXXXXXX")); | |
310b3460 UD |
53 | |
54 | /* Open our test file. */ | |
55 | fd = mkstemp (name); | |
56 | if (fd == -1) | |
57 | error (EXIT_FAILURE, errno, "cannot open test file `%s'", name); | |
cf145565 | 58 | add_temp_file (name); |
310b3460 UD |
59 | } |
60 | ||
61 | ||
f71bc3ba | 62 | static int |
b9337b6a UD |
63 | test_file (const void *buf, size_t size, int fd, const char *msg) |
64 | { | |
65 | struct stat st; | |
66 | char tmp[size]; | |
67 | ||
68 | errno = 0; | |
69 | if (fstat (fd, &st) < 0) | |
70 | { | |
71 | error (0, errno, "%s: failed stat", msg); | |
72 | return 1; | |
73 | } | |
74 | ||
57b36a0a | 75 | if (st.st_size != (off_t) size) |
b9337b6a UD |
76 | { |
77 | error (0, errno, "%s: wrong size: %lu, should be %lu", | |
78 | msg, (unsigned long int) st.st_size, (unsigned long int) size); | |
79 | return 1; | |
80 | } | |
81 | ||
57b36a0a | 82 | if (pread (fd, tmp, size, 0) != (ssize_t) size) |
b9337b6a | 83 | { |
9881cbf8 | 84 | error (0, errno, "%s: failed pread", msg); |
b9337b6a UD |
85 | return 1; |
86 | } | |
87 | ||
88 | if (memcmp (buf, tmp, size) != 0) | |
89 | { | |
90 | error (0, errno, "%s: failed comparison", msg); | |
91 | return 1; | |
92 | } | |
93 | ||
6b9c2e67 | 94 | printf ("%s test ok\n", msg); |
b9337b6a UD |
95 | |
96 | return 0; | |
97 | } | |
98 | ||
99 | ||
f71bc3ba | 100 | static int |
92806ee9 | 101 | do_wait (struct aiocb **cbp, size_t nent, int allowed_err) |
6b9c2e67 UD |
102 | { |
103 | int go_on; | |
92806ee9 UD |
104 | size_t cnt; |
105 | int result = 0; | |
106 | ||
6b9c2e67 UD |
107 | do |
108 | { | |
6b9c2e67 UD |
109 | aio_suspend ((const struct aiocb *const *) cbp, nent, NULL); |
110 | go_on = 0; | |
111 | for (cnt = 0; cnt < nent; ++cnt) | |
92806ee9 UD |
112 | if (cbp[cnt] != NULL) |
113 | { | |
114 | if (aio_error (cbp[cnt]) == EINPROGRESS) | |
115 | go_on = 1; | |
116 | else | |
117 | { | |
118 | if (aio_return (cbp[cnt]) == -1 | |
119 | && (allowed_err == 0 | |
120 | || aio_error (cbp[cnt]) != allowed_err)) | |
121 | { | |
122 | error (0, aio_error (cbp[cnt]), "Operation failed\n"); | |
123 | result = 1; | |
124 | } | |
125 | cbp[cnt] = NULL; | |
126 | } | |
127 | } | |
6b9c2e67 UD |
128 | } |
129 | while (go_on); | |
92806ee9 UD |
130 | |
131 | return result; | |
6b9c2e67 UD |
132 | } |
133 | ||
134 | ||
b9337b6a UD |
135 | int |
136 | do_test (int argc, char *argv[]) | |
137 | { | |
b9337b6a | 138 | struct aiocb cbs[10]; |
92806ee9 | 139 | struct aiocb cbs_fsync; |
b9337b6a | 140 | struct aiocb *cbp[10]; |
92806ee9 | 141 | struct aiocb *cbp_fsync[1]; |
b9337b6a UD |
142 | char buf[1000]; |
143 | size_t cnt; | |
b9337b6a | 144 | int result = 0; |
b9337b6a | 145 | |
b9337b6a UD |
146 | /* Preparation. */ |
147 | for (cnt = 0; cnt < 10; ++cnt) | |
148 | { | |
149 | cbs[cnt].aio_fildes = fd; | |
150 | cbs[cnt].aio_reqprio = 0; | |
151 | cbs[cnt].aio_buf = memset (&buf[cnt * 100], '0' + cnt, 100); | |
152 | cbs[cnt].aio_nbytes = 100; | |
153 | cbs[cnt].aio_offset = cnt * 100; | |
154 | cbs[cnt].aio_sigevent.sigev_notify = SIGEV_NONE; | |
155 | ||
156 | cbp[cnt] = &cbs[cnt]; | |
157 | } | |
158 | ||
159 | /* First a simple test. */ | |
160 | for (cnt = 10; cnt > 0; ) | |
ffa8d2a0 RM |
161 | if (aio_write (cbp[--cnt]) < 0 && errno == ENOSYS) |
162 | { | |
163 | error (0, 0, "no aio support in this configuration"); | |
164 | return 0; | |
165 | } | |
b9337b6a | 166 | /* Wait 'til the results are there. */ |
92806ee9 | 167 | result |= do_wait (cbp, 10, 0); |
6b9c2e67 UD |
168 | /* Test this. */ |
169 | result |= test_file (buf, sizeof (buf), fd, "aio_write"); | |
170 | ||
171 | /* Read now as we've written it. */ | |
172 | memset (buf, '\0', sizeof (buf)); | |
173 | /* Issue the commands. */ | |
174 | for (cnt = 10; cnt > 0; ) | |
b9337b6a | 175 | { |
6b9c2e67 UD |
176 | --cnt; |
177 | cbp[cnt] = &cbs[cnt]; | |
178 | aio_read (cbp[cnt]); | |
b9337b6a | 179 | } |
6b9c2e67 | 180 | /* Wait 'til the results are there. */ |
92806ee9 | 181 | result |= do_wait (cbp, 10, 0); |
b9337b6a | 182 | /* Test this. */ |
6b9c2e67 UD |
183 | for (cnt = 0; cnt < 1000; ++cnt) |
184 | if (buf[cnt] != '0' + (cnt / 100)) | |
185 | { | |
186 | result = 1; | |
187 | error (0, 0, "comparison failed for aio_read test"); | |
188 | break; | |
189 | } | |
190 | ||
191 | if (cnt == 1000) | |
192 | puts ("aio_read test ok"); | |
193 | ||
194 | /* Remove the test file contents. */ | |
195 | if (ftruncate (fd, 0) < 0) | |
196 | { | |
197 | error (0, errno, "ftruncate failed\n"); | |
198 | result = 1; | |
199 | } | |
200 | ||
201 | /* Test lio_listio. */ | |
202 | for (cnt = 0; cnt < 10; ++cnt) | |
203 | { | |
204 | cbs[cnt].aio_lio_opcode = LIO_WRITE; | |
205 | cbp[cnt] = &cbs[cnt]; | |
206 | } | |
207 | /* Issue the command. */ | |
208 | lio_listio (LIO_WAIT, cbp, 10, NULL); | |
209 | /* ...and immediately test it since we started it in wait mode. */ | |
210 | result |= test_file (buf, sizeof (buf), fd, "lio_listio (write)"); | |
b9337b6a | 211 | |
92806ee9 UD |
212 | /* Test aio_fsync. */ |
213 | cbs_fsync.aio_fildes = fd; | |
214 | cbs_fsync.aio_sigevent.sigev_notify = SIGEV_NONE; | |
215 | cbp_fsync[0] = &cbs_fsync; | |
216 | ||
217 | /* Remove the test file contents first. */ | |
218 | if (ftruncate (fd, 0) < 0) | |
219 | { | |
220 | error (0, errno, "ftruncate failed\n"); | |
221 | result = 1; | |
222 | } | |
223 | ||
224 | /* Write again. */ | |
225 | for (cnt = 10; cnt > 0; ) | |
226 | aio_write (cbp[--cnt]); | |
227 | ||
228 | if (aio_fsync (O_SYNC, &cbs_fsync) < 0) | |
229 | { | |
230 | error (0, errno, "aio_fsync failed\n"); | |
231 | result = 1; | |
232 | } | |
233 | result |= do_wait (cbp_fsync, 1, 0); | |
234 | ||
235 | /* ...and test since all data should be on disk now. */ | |
236 | result |= test_file (buf, sizeof (buf), fd, "aio_fsync (aio_write)"); | |
237 | ||
238 | /* Test aio_cancel. */ | |
239 | /* Remove the test file contents first. */ | |
240 | if (ftruncate (fd, 0) < 0) | |
241 | { | |
242 | error (0, errno, "ftruncate failed\n"); | |
243 | result = 1; | |
244 | } | |
245 | ||
246 | /* Write again. */ | |
247 | for (cnt = 10; cnt > 0; ) | |
248 | aio_write (cbp[--cnt]); | |
249 | ||
250 | /* Cancel all requests. */ | |
251 | if (aio_cancel (fd, NULL) == -1) | |
252 | printf ("aio_cancel (fd, NULL) cannot cancel anything\n"); | |
253 | ||
254 | result |= do_wait (cbp, 10, ECANCELED); | |
255 | ||
256 | /* Another test for aio_cancel. */ | |
257 | /* Remove the test file contents first. */ | |
258 | if (ftruncate (fd, 0) < 0) | |
259 | { | |
260 | error (0, errno, "ftruncate failed\n"); | |
261 | result = 1; | |
262 | } | |
263 | ||
264 | /* Write again. */ | |
265 | for (cnt = 10; cnt > 0; ) | |
266 | { | |
267 | --cnt; | |
268 | cbp[cnt] = &cbs[cnt]; | |
269 | aio_write (cbp[cnt]); | |
270 | } | |
271 | puts ("finished3"); | |
272 | ||
273 | /* Cancel all requests. */ | |
274 | for (cnt = 10; cnt > 0; ) | |
275 | if (aio_cancel (fd, cbp[--cnt]) == -1) | |
276 | /* This is not an error. The request can simply be finished. */ | |
de477abc | 277 | printf ("aio_cancel (fd, cbp[%zd]) cannot be canceled\n", cnt); |
92806ee9 UD |
278 | puts ("finished2"); |
279 | ||
280 | result |= do_wait (cbp, 10, ECANCELED); | |
281 | ||
282 | puts ("finished"); | |
283 | ||
b9337b6a UD |
284 | return result; |
285 | } |